diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index db7be87..1250d26 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3033,8 +3033,11 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) /* If both types don't have the same signedness, then we can't consider them equal. We must check this before the STRIP_NOPS calls - because they may change the signedness of the arguments. */ - if (TYPE_UNSIGNED (TREE_TYPE (arg0)) != TYPE_UNSIGNED (TREE_TYPE (arg1))) + because they may change the signedness of the arguments. As pointers + strictly don't have a signedness, require either two pointers or + two non-pointers as well. */ + if (TYPE_UNSIGNED (TREE_TYPE (arg0)) != TYPE_UNSIGNED (TREE_TYPE (arg1)) + || POINTER_TYPE_P (TREE_TYPE (arg0)) != POINTER_TYPE_P (TREE_TYPE (arg1))) return 0; /* If both types don't have the same precision, then it is not safe |